Home / 57,093,044.34-78,788,637.81-30,987,599.70

Finding the Fourth Proportional to 57,093,044.34, 78,788,637.81 and 30,987,599.70

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Solution

The fourth proportional to 57,093,044.34, 78,788,637.81 and 30,987,599.70 is: 42,763,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,044.34 : 78,788,637.81 = 30,987,599.70 : x
  2. Step 2: Convert to fraction form
    57,093,044.34/78,788,637.81 = 30,987,599.70/x
  3. Step 3: Cross multiply
    57,093,044.34x = 78,788,637.81 × 30,987,599.70
  4. Step 4: Simplify right side
    57,093,044.34x = 2,441,470,769,364,564.50
  5. Step 5: Solve for x
    x = 2,441,470,769,364,564.50/57,093,044.34
  6. Step 6: Final answer
    x = 42,763,016.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.